[jdk23] RFR: 8335390: C2 MergeStores: wrong result with Unsafe

Tue Jul 2 09:14:30 UTC 2024

Hi all,

This pull request contains a backport of commit [9046d7ae](https://github.com/openjdk/jdk/commit/9046d7aee3082b6cbf79876efc1c508cb893caad) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Emanuel Peter on 2 Jul 2024 and was reviewed by Tobias Hartmann, Christian Hagedorn and Vladimir Kozlov.

Thanks!

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Commit messages:
 - Backport 9046d7aee3082b6cbf79876efc1c508cb893caad

Changes: https://git.openjdk.org/jdk/pull/19985/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19985&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8335390
  Stats: 141 lines in 3 files changed: 138 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/19985.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19985/head:pull/19985

PR: https://git.openjdk.org/jdk/pull/19985